DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details 3) (Cash Flow Hedges, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Effect of the Company's derivative financial instruments on the income statement
Amount of Gain (Loss) Recognized in OCI	$ (4,703)	$ (4,074)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Earnings	(1,933)	(696)
Interest Rate Swaps
Effect of the Company's derivative financial instruments on the income statement
Amount of Gain (Loss) Recognized in OCI	(4,703)	(4,074)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Earnings	$ (1,933)	$ (696)